(a) Interpretation: For the given situations, it is to be determined that whether both liquid and gas are present (L/G), only gas is present (G), or situation is impossible (I). In flask I, the pressure is 256 mm of Hg. Concept introduction: The vapor pressure of a liquid is pressure exerted by its vapor which are present just above its surface.

Question

Part IV. C6H5 CH2CH2OH is an aromatic compound which was subjected to Electron Ionization - mass spectrometry (El-MS) analysis. Prominent m/2 values: m/2 = 104 and m/2 = 9) was obtained. Draw the structures of these fragments.

Answer 1

Question

Chapter 9, Problem 70QAP

Interpretation Introduction

(a)

Interpretation:

For the given situations, it is to be determined that whether both liquid and gas are present (L/G), only gas is present (G), or situation is impossible (I).

In flask I, the pressure is 256 mm of Hg.

Concept introduction:

The vapor pressure of a liquid is pressure exerted by its vapor which are present just above its surface.

Interpretation Introduction

(b)

Interpretation:

For the given situation, if both liquid and gas are present (L/G), only gas is present (G), and situation is impossible (I) needs to be determined.

In flask II, the pressure is 135 mm of Hg.

Concept introduction:

The vapor pressure of a liquid is pressure exerted by its vapor which are present just above its surface.

Interpretation Introduction

(c)

Interpretation:

For the given situation, if both liquid and gas are present (L/G), only gas is present (G), and situation is impossible (I) needs to be determined.

In flask III, the pressure is 165 mm of Hg at 30°C, if temperature is decreased to20°C, the pressure becomes 159 mm Hg.

Concept introduction:

The vapor pressure of a liquid is pressure exerted by its vapor which are present just above its surface.

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Part IV. C6H5 CH2CH2OH is an aromatic compound which was subjected to Electron Ionization - mass spectrometry (El-MS) analysis. Prominent m/2 values: m/2 = 104 and m/2 = 9) was obtained. Draw the structures of these fragments.

For each reaction shown below follow the curved arrows to complete each equationby showing the structure of the products. Identify the acid, the base, the conjugated acid andconjugated base. Consutl the pKa table and choose the direciton theequilibrium goes. However show the curved arrows. Please explain if possible.

A molecule shows peaks at 1379, 1327, 1249, 739 cm-1. Draw a diagram of the energy levels for such a molecule. Draw arrows for the possible transitions that could occur for the molecule. In the diagram imagine exciting an electron, what are its various options for getting back to the ground state? What process would promote radiation less decay? What do you expect for the lifetime of an electron in the T1 state? Why is phosphorescence emission weak in most substances? What could you do to a sample to enhance the likelihood that phosphorescence would occur over radiationless decay?

Answer 2

Question

Chapter 9, Problem 70QAP

Interpretation Introduction

(a)

Interpretation:

For the given situations, it is to be determined that whether both liquid and gas are present (L/G), only gas is present (G), or situation is impossible (I).

In flask I, the pressure is 256 mm of Hg.

Concept introduction:

The vapor pressure of a liquid is pressure exerted by its vapor which are present just above its surface.

Interpretation Introduction

(b)

Interpretation:

For the given situation, if both liquid and gas are present (L/G), only gas is present (G), and situation is impossible (I) needs to be determined.

In flask II, the pressure is 135 mm of Hg.

Concept introduction:

The vapor pressure of a liquid is pressure exerted by its vapor which are present just above its surface.

Interpretation Introduction

(c)

Interpretation:

For the given situation, if both liquid and gas are present (L/G), only gas is present (G), and situation is impossible (I) needs to be determined.

In flask III, the pressure is 165 mm of Hg at 30°C, if temperature is decreased to20°C, the pressure becomes 159 mm Hg.

Concept introduction:

The vapor pressure of a liquid is pressure exerted by its vapor which are present just above its surface.

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Answer 3

Question

Chapter 9, Problem 70QAP

Interpretation Introduction

(a)

Interpretation:

For the given situations, it is to be determined that whether both liquid and gas are present (L/G), only gas is present (G), or situation is impossible (I).

In flask I, the pressure is 256 mm of Hg.

Concept introduction:

The vapor pressure of a liquid is pressure exerted by its vapor which are present just above its surface.

Interpretation Introduction

(b)

Interpretation:

For the given situation, if both liquid and gas are present (L/G), only gas is present (G), and situation is impossible (I) needs to be determined.

In flask II, the pressure is 135 mm of Hg.

Concept introduction:

The vapor pressure of a liquid is pressure exerted by its vapor which are present just above its surface.

Interpretation Introduction

(c)

Interpretation:

For the given situation, if both liquid and gas are present (L/G), only gas is present (G), and situation is impossible (I) needs to be determined.

In flask III, the pressure is 165 mm of Hg at 30°C, if temperature is decreased to20°C, the pressure becomes 159 mm Hg.

Concept introduction:

The vapor pressure of a liquid is pressure exerted by its vapor which are present just above its surface.

Expert Solution & Answer

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Answer 4

Question

Chapter 9, Problem 70QAP

Interpretation Introduction

(a)

Interpretation:

For the given situations, it is to be determined that whether both liquid and gas are present (L/G), only gas is present (G), or situation is impossible (I).

In flask I, the pressure is 256 mm of Hg.

Concept introduction:

The vapor pressure of a liquid is pressure exerted by its vapor which are present just above its surface.

Interpretation Introduction

(b)

Interpretation:

For the given situation, if both liquid and gas are present (L/G), only gas is present (G), and situation is impossible (I) needs to be determined.

In flask II, the pressure is 135 mm of Hg.

Concept introduction:

The vapor pressure of a liquid is pressure exerted by its vapor which are present just above its surface.

Interpretation Introduction

(c)

Interpretation:

For the given situation, if both liquid and gas are present (L/G), only gas is present (G), and situation is impossible (I) needs to be determined.

In flask III, the pressure is 165 mm of Hg at 30°C, if temperature is decreased to20°C, the pressure becomes 159 mm Hg.

Concept introduction:

The vapor pressure of a liquid is pressure exerted by its vapor which are present just above its surface.

Expert Solution & Answer

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Answer 5

Chapter 9, Problem 70QAP

Interpretation Introduction

(a)

Interpretation:

For the given situations, it is to be determined that whether both liquid and gas are present (L/G), only gas is present (G), or situation is impossible (I).

In flask I, the pressure is 256 mm of Hg.

Concept introduction:

The vapor pressure of a liquid is pressure exerted by its vapor which are present just above its surface.

Interpretation Introduction

(b)

Interpretation:

For the given situation, if both liquid and gas are present (L/G), only gas is present (G), and situation is impossible (I) needs to be determined.

In flask II, the pressure is 135 mm of Hg.

Concept introduction:

The vapor pressure of a liquid is pressure exerted by its vapor which are present just above its surface.

Interpretation Introduction

(c)

Interpretation:

For the given situation, if both liquid and gas are present (L/G), only gas is present (G), and situation is impossible (I) needs to be determined.

In flask III, the pressure is 165 mm of Hg at 30°C, if temperature is decreased to20°C, the pressure becomes 159 mm Hg.

Concept introduction:

The vapor pressure of a liquid is pressure exerted by its vapor which are present just above its surface.

Answer 6

Chapter 9, Problem 70QAP

Interpretation Introduction

(a)

Interpretation:

For the given situations, it is to be determined that whether both liquid and gas are present (L/G), only gas is present (G), or situation is impossible (I).

In flask I, the pressure is 256 mm of Hg.

Concept introduction:

The vapor pressure of a liquid is pressure exerted by its vapor which are present just above its surface.

Answer 7

Chapter 9, Problem 70QAP

Interpretation Introduction

(a)

Interpretation:

For the given situations, it is to be determined that whether both liquid and gas are present (L/G), only gas is present (G), or situation is impossible (I).

In flask I, the pressure is 256 mm of Hg.

Concept introduction:

The vapor pressure of a liquid is pressure exerted by its vapor which are present just above its surface.

Answer 8

Interpretation Introduction

(b)

Interpretation:

For the given situation, if both liquid and gas are present (L/G), only gas is present (G), and situation is impossible (I) needs to be determined.

In flask II, the pressure is 135 mm of Hg.

Concept introduction:

The vapor pressure of a liquid is pressure exerted by its vapor which are present just above its surface.

Answer 9

Interpretation Introduction

(b)

Interpretation:

For the given situation, if both liquid and gas are present (L/G), only gas is present (G), and situation is impossible (I) needs to be determined.

In flask II, the pressure is 135 mm of Hg.

Concept introduction:

The vapor pressure of a liquid is pressure exerted by its vapor which are present just above its surface.

Answer 10

Interpretation Introduction

(c)

Interpretation:

For the given situation, if both liquid and gas are present (L/G), only gas is present (G), and situation is impossible (I) needs to be determined.

In flask III, the pressure is 165 mm of Hg at 30°C, if temperature is decreased to20°C, the pressure becomes 159 mm Hg.

Concept introduction:

The vapor pressure of a liquid is pressure exerted by its vapor which are present just above its surface.

Answer 11

Interpretation Introduction

(c)

Interpretation:

For the given situation, if both liquid and gas are present (L/G), only gas is present (G), and situation is impossible (I) needs to be determined.

In flask III, the pressure is 165 mm of Hg at 30°C, if temperature is decreased to20°C, the pressure becomes 159 mm Hg.

Concept introduction:

The vapor pressure of a liquid is pressure exerted by its vapor which are present just above its surface.

Answer 12

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Answer 23

Ch. 9 - Prob. 1QAP Ch. 9 - Prob. 2QAP Ch. 9 - The vapor pressure of I2(s) at 30C is 0.466 mm Hg....Ch. 9 - Prob. 4QAP Ch. 9 - Trichloroethane, C2H3Cl3 is used as a degreaser...Ch. 9 - p-Dichlorobenzene, C6H4Cl2, can be one of the...Ch. 9 - Prob. 7QAP Ch. 9 - Dichloromethane, CH2Cl2,is widely used as a...Ch. 9 - Prob. 9QAP Ch. 9 - Prob. 10QAP

Solution Summary: The author explains that the vapor pressure of a liquid is pressure exerted by its liquid which are present just above its surface.

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